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NAME
Tk_GetVRootGeometry - Get location and size of virtual root
for window
SYNOPSIS
#include <tk.h>
Tk_GetVRootGeometry(tkwin, xPtr, yPtr, widthPtr, heightPtr)
ARGUMENTS
Tk_Window tkwin (in) Token for window whose
virtual root is to be
queried.
int xPtr (out) Points to word in which to
store x-offset of virtual
root.
int yPtr (out) Points to word in which to
store y-offset of virtual
root.
int widthPtr (out) Points to word in which to
store width of virtual
root.
int heightPtr (out) Points to word in which to
store height of virtual
root.
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DESCRIPTION
TkGetVRootGeometry returns geometry information about the
virtual root window associated with tkwin. The ``associ-
ated'' virtual root is the one in which tkwin's nearest
top-level ancestor (or tkwin itself if it is a top-level
window) has been reparented by the window manager. This
window is identified by a __SWM_ROOT or __WM_ROOT property
placed on the top-level window by the window manager. If
tkwin is not associated with a virtual root (e.g. because
the window manager doesn't use virtual roots) then *xPtr and
*yPtr will be set to 0 and *widthPtr and *heightPtr will be
set to the dimensions of the screen containing tkwin.
KEYWORDS
geometry, height, location, virtual root, width, window
manager
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